
Here's the VRAM for the main menu screen. It looks like if we bump up the save portraits and character portraits, there will be enough room for the 8th one without issue.
Edit: Got the character portraits moved, although it's glitchy. Save portraits still need to be moved.
02FC90-2: 1F 80 02Edit 2: Save portraits moved in VRAM.
02FC9F-A0: 00 1B
This leaves enough room in VRAM for the save menu portraits to load.
3FE55C-63: B4 B8 BC C0 C4 C8 CC B0
Modifies the loaded save portraits to match the new location.
02FC90-2: 1D 00 03
Final adjustment of menu portraits. Still doesn't have the proper image being loaded.